package com.pan.test.service.impl;

import com.pan.test.service.RechargeService;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@Service
public class RechargeServiceImpl implements RechargeService {

    @Override
    public Map<String, Object> createOrder(Double amount, String paymentMethod) {
        // 生成订单ID
        String orderId = UUID.randomUUID().toString().replace("-", "");
        
        // 这里应该实现实际的订单创建逻辑
        // 1. 保存订单信息到数据库
        // 2. 调用支付接口获取支付链接/二维码等
        
        // 模拟返回支付信息
        Map<String, Object> result = new HashMap<>();
        result.put("orderId", orderId);
        result.put("amount", amount);
        result.put("paymentMethod", paymentMethod);
        result.put("paymentUrl", "https://example.com/pay/" + orderId);
        
        return result;
    }

    @Override
    public void handlePaymentCallback(String orderId) {
        // 这里应该实现实际的支付回调处理逻辑
        // 1. 验证支付状态
        // 2. 更新订单状态
        // 3. 增加用户空间配额
    }

    @Override
    public Map<String, Object> getRechargeRecords(Integer pageNum, Integer pageSize) {
        // 这里应该实现实际的查询逻辑
        // 1. 从数据库查询充值记录
        // 2. 分页处理
        
        // 模拟数据
        List<Map<String, Object>> records = new ArrayList<>();
        for (int i = 0; i < pageSize; i++) {
            Map<String, Object> record = new HashMap<>();
            record.put("orderId", UUID.randomUUID().toString().replace("-", ""));
            record.put("amount", 10 + i * 10);
            record.put("space", (10 + i * 10) * 1024 * 1024 * 1024L); // GB to bytes
            record.put("paymentMethod", i % 2 == 0 ? "alipay" : "wechat");
            record.put("status", i % 4); // 0: 待支付, 1: 支付成功, 2: 支付失败, 3: 已取消
            record.put("createTime", "2024-03-" + (10 + i) + " 12:00:00");
            records.add(record);
        }
        
        Map<String, Object> result = new HashMap<>();
        result.put("list", records);
        result.put("total", 100); // 总记录数
        
        return result;
    }
} 